Demurrage and Port Storage at Walvis Bay: What It Costs and How to Avoid It

Demurrage and Port Storage at Walvis Bay: What It Costs and How to Avoid It

Demurrage is the charge your shipping line applies when a container is not returned within the free time period they allow after vessel arrival. Port storage is the separate charge NAMPORT (the Namibia Ports Authority) applies while the container occupies space in the terminal. Both run simultaneously and both accrue daily — making a delayed customs clearance an expensive problem that compounds quickly.

For importers at Walvis Bay, understanding how these charges work — and critically, which actions specifically prevent them — is essential operational knowledge.

Two Separate Charge Systems

Most importers conflate demurrage and port storage. They are charged by different parties, under different contracts, and require different actions to stop.

Shipping Line Demurrage

Demurrage is billed by the **shipping line** (MSC, Maersk, Hapag-Lloyd, etc.) under the terms of your Bill of Lading. The clock starts when the container is discharged from the vessel. The shipping line grants a period of **free time** — typically 7 to 14 calendar days for Walvis Bay, depending on the line and the trade lane — before charges begin.

Once free time expires, demurrage accrues daily. Rates typically start at USD 25–60 per container per day in the first tier, escalating to USD 100–200+ per day in subsequent tiers after a further 5–7 days. These rates are set by each shipping line and vary by container type (20-foot dry, 40-foot, reefer).

To **stop demurrage**: The container must be physically removed from the port terminal and the empty container returned to the shipping line's designated depot within the allowed demurrage period. The container cannot leave the terminal until customs clearance is completed and the release notice is issued.

NAMPORT Port Storage

NAMPORT charges storage separately for every container in the terminal after a free storage period — typically **3–5 working days** from the date of discharge. NAMPORT's fees are denominated in Namibian dollars and published in their tariff schedule. A 20-foot container incurs approximately NAD 280–350 per day; a 40-foot container approximately NAD 420–520 per day, escalating after the first 7 days.

To **stop NAMPORT storage**: Your clearing agent must have the NamRA Release Order (the formal release of customs hold) and the NAMPORT delivery order. The container is removed from the terminal and the storage clock stops.

Why Clearance Delays Are Expensive

Consider a 40-foot container that lands at Walvis Bay on a Monday. The shipping line grants 10 calendar days free time. NAMPORT grants 4 working days free storage.

If your clearing agent doesn't receive the documents until Day 7 and submits the SAD 500 on Day 8, ASYCUDA routes the declaration to yellow channel, taking 2 working days. The customs release comes on Day 10. The container is collected on Day 11.

Result: - NAMPORT storage: 5 working days over free period × NAD 470/day = **NAD 2,350** - Shipping line demurrage: 1 day over free period × USD 50 = **USD 50 (~NAD 950)** - Total: approximately **NAD 3,300** for a one-day overrun

If the delay extends to 14 days past arrival (not unusual when documents are late or a permit is missing), charges can exceed NAD 20,000–30,000 on a single container.

The Primary Causes of Demurrage at Walvis Bay

Late Document Delivery

The single most common cause. Your clearing agent cannot submit the SAD 500 without: - Commercial invoice - Packing list - Bill of Lading (original or sea waybill) - Certificate of Origin (if claiming preferential duty rate) - All required import permits

If these documents are not delivered to the agent **before or immediately upon vessel arrival**, clearance cannot begin and free time runs down while you wait.

**Prevention:** Send all pre-clearance documents to your clearing agent as soon as the vessel departs the load port — ideally with a scanned pre-alert of the Bill of Lading. Permit applications should be initiated before the goods even ship.

Goods Routed to Red Channel

ASYCUDA World's risk engine routes declarations to physical examination based on the importer's profile, the goods description, and the origin country. A red channel examination at Walvis Bay typically takes 2–3 working days — sometimes longer if the examination bay is congested or the goods require specialist assessment.

**Prevention:** Maintain a clean declaration history. Provide precise, accurate goods descriptions. Avoid vague language. Use a clearing agent with a high compliance rating who is not flagged by ASYCUDA's selectivity criteria.

Missing or Incomplete Import Permits

If your goods require an import permit — from the Directorate of Veterinary Services, the Medicines Control Council, Ministry of Mines, or any other authority — and the permit is not in hand when the SAD 500 is filed, NamRA will hold the release until the permit is produced. This can add days or weeks to clearance, with demurrage and storage accruing throughout.

**Prevention:** Identify all permit requirements before the goods ship. Your clearing agent should conduct a classification-based permit check as part of pre-shipment planning.

Customs Value Disputes

NamRA may query the declared customs value — particularly if the declared CIF value is significantly below database benchmarks for similar goods. A value dispute requires the importer to produce evidence (bank transfer records, purchase orders, supplier price lists) and may require a formal valuation determination. This process typically takes 5–10 working days.

**Prevention:** Maintain full supporting documentation for the transaction value — purchase orders, proforma invoice, final invoice, remittance advice. If the price is genuinely low relative to market (distress sale, intra-group transfer, etc.), prepare an explanation in advance.

Amendment After Submission

If an error is discovered in the SAD 500 after submission — wrong HS code, incorrect value, missing permit reference — an amendment must be filed and approved by NamRA before release. Amendments add 1–3 working days.

**Prevention:** Verify the draft SAD 500 with your agent before final submission. Confirm that the tariff codes, values, origins, and permit references are all correct.

Practical Checklist to Avoid Demurrage

**At time of purchase order:** - [ ] Identify all HS codes for the goods - [ ] Identify all required import permits - [ ] Apply for any required permits immediately - [ ] Agree Incoterms with supplier (CIF preferred — simplifies valuation)

**When vessel departs load port:** - [ ] Send commercial invoice, packing list, and B/L copy to clearing agent - [ ] Confirm ETA at Walvis Bay - [ ] Confirm all permits are in hand - [ ] Request pre-clearance (lodging before vessel arrival) from your agent

**When vessel arrives:** - [ ] Follow up on declaration status in ASYCUDA (your agent should provide a reference) - [ ] Confirm assessment channel (green/yellow/red) - [ ] Arrange transport booking immediately — do not wait for release confirmation

**At customs release:** - [ ] Confirm release order is issued - [ ] Confirm NAMPORT delivery order is obtained - [ ] Dispatch transport to collect container same day

Requesting Free Time Extensions

Shipping lines will sometimes grant free time extensions if the delay is caused by factors outside the importer's control — port strikes, vessel delays, government-side clearance backlogs. These must be requested formally in writing before free time expires. Extensions are not guaranteed and require documentation of the delay cause.

NAMPORT does not routinely grant storage fee waivers, but disputes about the start date of storage (for example, a misdirected container) can be raised formally with the NAMPORT commercial team.

The Role of Your Clearing Agent in Demurrage Prevention

A proactive clearing agent tracks vessel ETAs, chases document delivery, and files SAD 500 declarations pre-arrival where possible — meaning the assessment can be completed and the release order issued within hours of the vessel docking, often before NAMPORT's free storage period even begins to run.

The difference between an agent who pre-clears and one who waits for documents to arrive before starting is the difference between zero demurrage and thousands of Namibian dollars in avoidable charges on every shipment.

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Related guides

• [ASYCUDA Selectivity & Green-Channel Profiling](/resources/asycuda-selectivity-green-channel-profile)
• [Pharmaceutical & Cold-Chain Import Clearance](/resources/pharmaceutical-cold-chain-import-namibia)
• [Customs Compliance Audits in Namibia](/resources/customs-compliance-audit-namra)